Finding the Fourth Proportional to 862,294.40, 1,189,968.41 and 518,136.06
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Solution
The fourth proportional to 862,294.40, 1,189,968.41 and 518,136.06 is: 715,029.05
Step by Step Solution
- Step 1: Write the proportion equation
862,294.40 : 1,189,968.41 = 518,136.06 : x - Step 2: Convert to fraction form
862,294.40/1,189,968.41 = 518,136.06/x - Step 3: Cross multiply
862,294.40x = 1,189,968.41 × 518,136.06 - Step 4: Simplify right side
862,294.40x = 616,565,543,481.87 - Step 5: Solve for x
x = 616,565,543,481.87/862,294.40 - Step 6: Final answer
x = 715,029.05
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.